MY154452A - An apparatus and a method for decoding an encoded audio signal - Google Patents

An apparatus and a method for decoding an encoded audio signal

Info

Publication number
MY154452A
MY154452A MYPI2011000095A MYPI20110095A MY154452A MY 154452 A MY154452 A MY 154452A MY PI2011000095 A MYPI2011000095 A MY PI2011000095A MY PI20110095 A MYPI20110095 A MY PI20110095A MY 154452 A MY154452 A MY 154452A
Authority
MY
Malaysia
Prior art keywords
decoding
algorithm
encoded
accordance
decoder
Prior art date
Application number
MYPI2011000095A
Inventor
Neuendorf Max
Jander Manuel
Bacigalupo Virgilio
Grill Bernhard
Kraemer Ulrich
Multrus Markus
Popp Harald
Rettelbach Nikolaus
Nagel Frederik
Lohwasser Markus
Gayer Marc
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41131685&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MY154452(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MY154452A publication Critical patent/MY154452A/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Stereophonic System (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

AN APPARATUS FOR DECODING (100) AN ENCODED AUDIO SIGNAL (102), THE ENCODED AUDIO SIGNAL (102) COMPRISING A FIRST PORTION (104A) ENCODED IN ACCORDANCE WITH A FIRST ENCODING ALGORITHM, A SECOND PORTION (104B) ENCODED IN ACCORDANCE WITH A SECOND ENCODING ALGORITHM, BWE PARAMETERS (106) FOR THE FIRST PORTION (104A) AND THE SECOND PORTION (104B) AND A CODING MODE INFORMATION (108) INDICATING A FIRST DECODING ALGORITHM OR A SECOND DECODING ALGORITHM, COMPRISES A FIRST DECODER (110A), A SECOND DECODER (110B), A BWE MODULE (130) AND A CONTROLLER (140). THE FIRST DECODER (110A) DECODES THE FIRST PORTION (104A) IN ACCORDANCE WITH THE FIRST DECODING ALGORITHM FOR A FIRST TIME PORTION OF THE ENCODED SIGNAL (102) TO OBTAIN A FIRST DECODED SIGNAL (114A). THE SECOND DECODER (110B) DECODES THE SECOND PORTION (104B) IN ACCORDANCE WITH THE SECOND DECODING ALGORITHM FOR A SECOND TIME PORTION OF THE ENCODED SIGNAL (102) TO CBTAIN A SECOND DECODED SIGNAL (114B). THE BWE MODULE (130) HAS A CONTROLLABLE CROSSOVER FREQUENCY (FX) AND IS CONFIGURED FOR PERFORMING A BANDWIDTH EXTENSION ALGORITHM USING THE FIRST DECODED SIGNAL (114A) AND THE BWE PARAMETERS (106) FOR THE FIRST PORTION (104B), AND FOR PERFORMING A BANDWIDTH EXTENSION ALGORITHM USING THE SECOND DECODED SIGNAL (114B) AND THE BANDWIDTH EXTENSION PARAMETER (106) FOR THE SECOND PORTION (104B). THE CONTROLLER (140) CONTROLS THE CROSSOVER FREQUENCY (FX) FOR THE BWE MODULE (130) IN ACCORDANCE WITH THE CODING MODE INFORMATION (108).
MYPI2011000095A 2008-07-11 2009-06-23 An apparatus and a method for decoding an encoded audio signal MY154452A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7987308P 2008-07-11 2008-07-11
US10382008P 2008-10-08 2008-10-08

Publications (1)

Publication Number Publication Date
MY154452A true MY154452A (en) 2015-06-15

Family

ID=41131685

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2011000095A MY154452A (en) 2008-07-11 2009-06-23 An apparatus and a method for decoding an encoded audio signal

Country Status (17)

Country Link
US (3) US9299363B2 (en)
EP (3) EP2257945B1 (en)
JP (4) JP5323180B2 (en)
KR (3) KR101205644B1 (en)
CN (3) CN102007537B (en)
AR (3) AR072739A1 (en)
AT (2) ATE532176T1 (en)
AU (3) AU2009267485B2 (en)
BR (2) BRPI0906320B1 (en)
CA (3) CA2718859C (en)
ES (3) ES2376849T3 (en)
MX (3) MX2010010747A (en)
MY (1) MY154452A (en)
PL (3) PL2257944T3 (en)
RU (3) RU2509381C2 (en)
TW (3) TWI459374B (en)
WO (3) WO2010003582A1 (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7720677B2 (en) * 2005-11-03 2010-05-18 Coding Technologies Ab Time warped modified transform coding of audio signals
EP2107556A1 (en) * 2008-04-04 2009-10-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transform coding using pitch correction
RU2621965C2 (en) 2008-07-11 2017-06-08 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Transmitter of activation signal with the time-deformation, acoustic signal coder, method of activation signal with time deformation converting, method of acoustic signal encoding and computer programs
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
ES2441069T3 (en) * 2009-10-08 2014-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multimode decoder for audio signal, multimode encoder for audio signal, procedure and computer program using noise modeling based on linearity-prediction-coding
ES2458354T3 (en) * 2010-03-10 2014-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decoder, audio signal encoder, methods and computer program that uses sampling rate dependent on time distortion contour coding
EP2372704A1 (en) * 2010-03-11 2011-10-05 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Signal processor and method for processing a signal
SG184230A1 (en) * 2010-03-26 2012-11-29 Agency Science Tech & Res Methods and devices for providing an encoded digital signal
KR20130111611A (en) * 2011-01-25 2013-10-10 니뽄 덴신 덴와 가부시키가이샤 Encoding method, encoding device, periodic feature amount determination method, periodic feature amount determination device, program and recording medium
TWI479478B (en) 2011-02-14 2015-04-01 弗勞恩霍夫爾協會 Apparatus and method for decoding an audio signal using an aligned pre-view portion
TWI488176B (en) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung Encoding and decoding of pulse positions of tracks of an audio signal
TWI564882B (en) 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 Information signal representation using lapped transform
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
KR101613673B1 (en) 2011-02-14 2016-04-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Audio codec using noise synthesis during inactive phases
BR112013020324B8 (en) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Apparatus and method for error suppression in low delay unified speech and audio coding
KR101699898B1 (en) * 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Apparatus and method for processing a decoded audio signal in a spectral domain
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
EP2676267B1 (en) 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of pulse positions of tracks of an audio signal
SG194199A1 (en) 2011-03-18 2013-12-30 Fraunhofer Ges Forschung Frame element positioning in frames of a bitstream representing audio content
TWI450266B (en) * 2011-04-19 2014-08-21 Hon Hai Prec Ind Co Ltd Electronic device and decoding method of audio files
US9967600B2 (en) * 2011-05-26 2018-05-08 Nbcuniversal Media, Llc Multi-channel digital content watermark system and method
ES2549953T3 (en) * 2012-08-27 2015-11-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for the reproduction of an audio signal, apparatus and method for the generation of an encoded audio signal, computer program and encoded audio signal
CN102855884B (en) * 2012-09-11 2014-08-13 中国人民解放军理工大学 Speech time scale modification method based on short-term continuous nonnegative matrix decomposition
CN105976824B (en) 2012-12-06 2021-06-08 华为技术有限公司 Method and device for signal decoding
WO2014096236A2 (en) * 2012-12-19 2014-06-26 Dolby International Ab Signal adaptive fir/iir predictors for minimizing entropy
RU2638734C2 (en) 2013-10-18 2017-12-15 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Coding of spectral coefficients of audio signal spectrum
FR3015754A1 (en) * 2013-12-20 2015-06-26 Orange RE-SAMPLING A CADENCE AUDIO SIGNAL AT A VARIABLE SAMPLING FREQUENCY ACCORDING TO THE FRAME
EP2980791A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions
US10553230B2 (en) * 2015-11-09 2020-02-04 Sony Corporation Decoding apparatus, decoding method, and program
US10074373B2 (en) * 2015-12-21 2018-09-11 Qualcomm Incorporated Channel adjustment for inter-frame temporal shift variations
RU2704733C1 (en) * 2016-01-22 2019-10-30 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Device and method of encoding or decoding a multichannel signal using a broadband alignment parameter and a plurality of narrowband alignment parameters
CN107749304B (en) * 2017-09-07 2021-04-06 电信科学技术研究院 Method and device for continuously updating coefficient vector of finite impulse response filter
CN114424282B (en) * 2019-09-03 2026-03-24 杜比实验室特许公司 Low-latency, low-frequency-effect codec
TWI752551B (en) * 2020-07-13 2022-01-11 國立屏東大學 Method, device and computer program product for detecting cluttering

Family Cites Families (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054075A (en) 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
JP3076859B2 (en) * 1992-04-20 2000-08-14 三菱電機株式会社 Digital audio signal processor
US5408580A (en) 1992-09-21 1995-04-18 Aware, Inc. Audio compression system employing multi-rate signal analysis
JPH0784597A (en) * 1993-09-20 1995-03-31 Fujitsu Ltd Speech coding apparatus and speech decoding apparatus
US5717823A (en) * 1994-04-14 1998-02-10 Lucent Technologies Inc. Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders
FI105001B (en) * 1995-06-30 2000-05-15 Nokia Mobile Phones Ltd Method for Determining Wait Time in Speech Decoder in Continuous Transmission and Speech Decoder and Transceiver
US5704003A (en) 1995-09-19 1997-12-30 Lucent Technologies Inc. RCELP coder
JP3707116B2 (en) 1995-10-26 2005-10-19 ソニー株式会社 Speech decoding method and apparatus
US5659622A (en) 1995-11-13 1997-08-19 Motorola, Inc. Method and apparatus for suppressing noise in a communication system
US5848391A (en) 1996-07-11 1998-12-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Method subband of coding and decoding audio signals using variable length windows
US6134518A (en) 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
KR100261253B1 (en) * 1997-04-02 2000-07-01 윤종용 Scalable audio encoder/decoder and audio encoding/decoding method
US6070137A (en) 1998-01-07 2000-05-30 Ericsson Inc. Integrated frequency-domain voice coding using an adaptive spectral enhancement filter
DE69926821T2 (en) 1998-01-22 2007-12-06 Deutsche Telekom Ag Method for signal-controlled switching between different audio coding systems
US6115689A (en) 1998-05-27 2000-09-05 Microsoft Corporation Scalable audio coder and decoder
US6453285B1 (en) * 1998-08-21 2002-09-17 Polycom, Inc. Speech activity detector for use in noise reduction system, and methods therefor
US6330533B2 (en) 1998-08-24 2001-12-11 Conexant Systems, Inc. Speech encoder adaptively applying pitch preprocessing with warping of target signal
US6449590B1 (en) * 1998-08-24 2002-09-10 Conexant Systems, Inc. Speech encoder using warping in long term preprocessing
US7047185B1 (en) * 1998-09-15 2006-05-16 Skyworks Solutions, Inc. Method and apparatus for dynamically switching between speech coders of a mobile unit as a function of received signal quality
US6424938B1 (en) * 1998-11-23 2002-07-23 Telefonaktiebolaget L M Ericsson Complex signal activity detection for improved speech/noise classification of an audio signal
US6691084B2 (en) 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
US6223151B1 (en) 1999-02-10 2001-04-24 Telefon Aktie Bolaget Lm Ericsson Method and apparatus for pre-processing speech signals prior to coding by transform-based speech coders
DE19910833C1 (en) 1999-03-11 2000-05-31 Mayer Textilmaschf Warping machine for short warps comprises selection lever at part-rods operated by inner axial motor to swing between positions to lead yarns over or under part-rods in short cycle times
EP1099215B1 (en) * 1999-05-26 2005-02-23 Koninklijke Philips Electronics N.V. Audio signal transmission system
US6782360B1 (en) 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
US6366880B1 (en) 1999-11-30 2002-04-02 Motorola, Inc. Method and apparatus for suppressing acoustic background noise in a communication system by equaliztion of pre-and post-comb-filtered subband spectral energies
JP2001255882A (en) * 2000-03-09 2001-09-21 Sony Corp Audio signal processing device and signal processing method thereof
JP2002149200A (en) 2000-08-31 2002-05-24 Matsushita Electric Ind Co Ltd Audio processing device and audio processing method
US6850884B2 (en) * 2000-09-15 2005-02-01 Mindspeed Technologies, Inc. Selection of coding parameters based on spectral content of a speech signal
EP1340317A1 (en) * 2000-11-03 2003-09-03 Koninklijke Philips Electronics N.V. Parametric coding of audio signals
US6925435B1 (en) 2000-11-27 2005-08-02 Mindspeed Technologies, Inc. Method and apparatus for improved noise reduction in a speech encoder
SE0004818D0 (en) 2000-12-22 2000-12-22 Coding Technologies Sweden Ab Enhancing source coding systems by adaptive transposition
ATE338333T1 (en) 2001-04-05 2006-09-15 Koninkl Philips Electronics Nv TIME SCALE MODIFICATION OF SIGNALS WITH A SPECIFIC PROCEDURE DEPENDING ON THE DETERMINED SIGNAL TYPE
FI110729B (en) 2001-04-11 2003-03-14 Nokia Corp Procedure for unpacking packed audio signal
DK1386312T3 (en) 2001-05-10 2008-06-09 Dolby Lab Licensing Corp Improving transient performance of low bit rate audio coding systems by reducing prior noise
DE20108778U1 (en) 2001-05-25 2001-08-02 Mannesmann VDO AG, 60388 Frankfurt Housing for a device that can be used in a vehicle for automatically determining road tolls
US6879955B2 (en) 2001-06-29 2005-04-12 Microsoft Corporation Signal modification based on continuous time warping for low bit rate CELP coding
EP1278185A3 (en) 2001-07-13 2005-02-09 Alcatel Method for improving noise reduction in speech transmission
US6963842B2 (en) 2001-09-05 2005-11-08 Creative Technology Ltd. Efficient system and method for converting between different transform-domain signal representations
EP1446796A1 (en) * 2001-10-26 2004-08-18 Koninklijke Philips Electronics N.V. Tracking of sinusoidal parameters in an audio coder
CA2365203A1 (en) * 2001-12-14 2003-06-14 Voiceage Corporation A signal modification method for efficient coding of speech signals
JP2003316392A (en) * 2002-04-22 2003-11-07 Mitsubishi Electric Corp Audio signal decoding and encoding device, decoding device, and encoding device
US7457757B1 (en) 2002-05-30 2008-11-25 Plantronics, Inc. Intelligibility control for speech communications systems
US7447631B2 (en) 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
TWI288915B (en) 2002-06-17 2007-10-21 Dolby Lab Licensing Corp Improved audio coding system using characteristics of a decoded signal to adapt synthesized spectral components
US7043423B2 (en) 2002-07-16 2006-05-09 Dolby Laboratories Licensing Corporation Low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding
CN1703736A (en) 2002-10-11 2005-11-30 诺基亚有限公司 Method and apparatus for source-controlled variable bit-rate wideband speech coding
US7379866B2 (en) * 2003-03-15 2008-05-27 Mindspeed Technologies, Inc. Simple noise suppression model
JP4629353B2 (en) * 2003-04-17 2011-02-09 インベンテイオ・アクテイエンゲゼルシヤフト Mobile handrail drive for escalators or moving walkways
CN1820306B (en) 2003-05-01 2010-05-05 诺基亚有限公司 Method and device for gain quantization in variable bit rate wideband speech coding
US7363221B2 (en) 2003-08-19 2008-04-22 Microsoft Corporation Method of noise reduction using instantaneous signal-to-noise ratio as the principal quantity for optimal estimation
KR100604897B1 (en) 2004-09-07 2006-07-28 삼성전자주식회사 Hard disk drive assembly, hard disk drive mounting structure and mobile phone employing the same
KR100640893B1 (en) 2004-09-07 2006-11-02 엘지전자 주식회사 Baseband modem for voice recognition and mobile communication terminal
WO2006079813A1 (en) 2005-01-27 2006-08-03 Synchro Arts Limited Methods and apparatus for use in sound modification
CN101171626B (en) * 2005-03-11 2012-03-21 高通股份有限公司 Time warping frames inside the vocoder by modifying the residual
US8155965B2 (en) 2005-03-11 2012-04-10 Qualcomm Incorporated Time warping frames inside the vocoder by modifying the residual
US8260611B2 (en) 2005-04-01 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for highband excitation generation
JP4550652B2 (en) * 2005-04-14 2010-09-22 株式会社東芝 Acoustic signal processing apparatus, acoustic signal processing program, and acoustic signal processing method
US7885809B2 (en) 2005-04-20 2011-02-08 Ntt Docomo, Inc. Quantization of speech and audio coding parameters using partial information on atypical subsequences
PT1875463T (en) 2005-04-22 2019-01-24 Qualcomm Inc Systems, methods, and apparatus for gain factor smoothing
JP4450324B2 (en) 2005-08-15 2010-04-14 日立オートモティブシステムズ株式会社 Start control device for internal combustion engine
JP2007084597A (en) 2005-09-20 2007-04-05 Fuji Shikiso Kk Surface-treated carbon black composition and method for producing the same
US7720677B2 (en) * 2005-11-03 2010-05-18 Coding Technologies Ab Time warped modified transform coding of audio signals
US7366658B2 (en) 2005-12-09 2008-04-29 Texas Instruments Incorporated Noise pre-processor for enhanced variable rate speech codec
US7991494B2 (en) * 2006-02-23 2011-08-02 Lg Electronics Inc. Method and apparatus for processing an audio signal
TWI294107B (en) 2006-04-28 2008-03-01 Univ Nat Kaohsiung 1St Univ Sc A pronunciation-scored method for the application of voice and image in the e-learning
US7873511B2 (en) * 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
US8682652B2 (en) * 2006-06-30 2014-03-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
MX2008016163A (en) 2006-06-30 2009-02-04 Fraunhofer Ges Forschung Audio encoder, audio decoder and audio processor having a dynamically variable harping characteristic.
CN100489964C (en) * 2006-08-18 2009-05-20 广州广晟数码技术有限公司 Audio encoding
US8239190B2 (en) 2006-08-22 2012-08-07 Qualcomm Incorporated Time-warping frames of wideband vocoder
CN101025918B (en) 2007-01-19 2011-06-29 清华大学 Voice/music dual-mode coding-decoding seamless switching method
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
EP2107556A1 (en) 2008-04-04 2009-10-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transform coding using pitch correction
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
RU2621965C2 (en) 2008-07-11 2017-06-08 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Transmitter of activation signal with the time-deformation, acoustic signal coder, method of activation signal with time deformation converting, method of acoustic signal encoding and computer programs
JP5297891B2 (en) 2009-05-25 2013-09-25 京楽産業．株式会社 Game machine
US8670990B2 (en) 2009-08-03 2014-03-11 Broadcom Corporation Dynamic time scale modification for reduced bit rate audio coding
CN102257564B (en) * 2009-10-21 2013-07-10 松下电器产业株式会社 Audio encoding apparatus, decoding apparatus, method, circuit and program

Also Published As

Publication number Publication date
WO2010003581A1 (en) 2010-01-14
JP5323180B2 (en) 2013-10-23
ATE532176T1 (en) 2011-11-15
EP2257944A1 (en) 2010-12-08
EP2257945B1 (en) 2011-11-02
US9025777B2 (en) 2015-05-05
AU2009267484A1 (en) 2010-01-14
CA2718857A1 (en) 2010-01-14
KR20100125372A (en) 2010-11-30
WO2010003583A1 (en) 2010-01-14
TWI459374B (en) 2014-11-01
RU2527760C2 (en) 2014-09-10
CA2718859A1 (en) 2010-01-14
AU2009267484B2 (en) 2011-09-01
BRPI0906320B1 (en) 2021-05-18
KR20100134627A (en) 2010-12-23
AR072498A1 (en) 2010-09-01
MX2010010748A (en) 2010-11-30
TW201009810A (en) 2010-03-01
US20110158415A1 (en) 2011-06-30
CA2718859C (en) 2015-09-29
PL2260485T3 (en) 2013-08-30
HK1151620A1 (en) 2012-02-03
US9043216B2 (en) 2015-05-26
JP2011521305A (en) 2011-07-21
MX2010010749A (en) 2010-11-30
WO2010003582A1 (en) 2010-01-14
CA2718740A1 (en) 2010-01-14
ATE532177T1 (en) 2011-11-15
EP2260485A1 (en) 2010-12-15
CA2718857C (en) 2014-09-09
RU2010139021A (en) 2012-03-27
EP2257945A1 (en) 2010-12-08
ES2376974T3 (en) 2012-03-21
JP6041815B2 (en) 2016-12-14
RU2010139023A (en) 2012-03-27
AR072500A1 (en) 2010-09-01
EP2257944B1 (en) 2011-11-02
AU2009267486B2 (en) 2011-09-15
EP2260485B1 (en) 2013-04-03
KR101205644B1 (en) 2012-11-27
ES2404132T3 (en) 2013-05-24
RU2509381C2 (en) 2014-03-10
TW201009809A (en) 2010-03-01
US9299363B2 (en) 2016-03-29
KR101205615B1 (en) 2012-11-27
TWI451402B (en) 2014-09-01
CN102007536A (en) 2011-04-06
JP2011521304A (en) 2011-07-21
CN102007537B (en) 2013-08-28
RU2486484C2 (en) 2013-06-27
BRPI0906319A2 (en) 2023-03-14
PL2257944T3 (en) 2012-04-30
CN102007531A (en) 2011-04-06
RU2010139022A (en) 2012-03-27
US20110161088A1 (en) 2011-06-30
JP5323179B2 (en) 2013-10-23
AU2009267486A1 (en) 2010-01-14
ES2376849T3 (en) 2012-03-20
HK1151619A1 (en) 2012-02-03
JP2014130359A (en) 2014-07-10
MX2010010747A (en) 2010-11-30
AU2009267485B2 (en) 2011-10-06
JP5551686B2 (en) 2014-07-16
BRPI0906300B1 (en) 2021-11-09
US20110106542A1 (en) 2011-05-05
BRPI0906300A2 (en) 2020-09-24
CA2718740C (en) 2015-10-27
AR072739A1 (en) 2010-09-15
TW201009811A (en) 2010-03-01
BRPI0906320A2 (en) 2020-01-14
KR101205593B1 (en) 2012-11-27
KR20100134625A (en) 2010-12-23
TWI453732B (en) 2014-09-21
CN102007537A (en) 2011-04-06
HK1151883A1 (en) 2012-02-10
CN102007536B (en) 2012-09-05
JP2011521303A (en) 2011-07-21
PL2257945T3 (en) 2012-04-30
AU2009267485A1 (en) 2010-01-14
CN102007531B (en) 2013-08-21

Similar Documents

Publication Publication Date Title
MY154452A (en) An apparatus and a method for decoding an encoded audio signal
EP2352147A3 (en) An apparatus and a method for encoding an audio signal
MX2012010439A (en) Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context.
MY154100A (en) Method and apparatus to encode and decode an audio/speech signal
ATE452402T1 (en) SUPPORT SWITCHING BETWEEN AUDIO ENCODING MODES
EP2056294A3 (en) Apparatus, Medium and Method to Encode and Decode High Frequency Signal
MX2011011399A (en) Audio coding using downmix.
MX2016005542A (en) Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal.
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
TW200746051A (en) Apparatus and method for encoding and decoding signal
MY178139A (en) Audio decoder and method for providing a decoded audio information using an errorconcealment based on a time domain excitation signal
ATE416455T1 (en) METHOD AND DEVICE FOR CODING AND DECODING MULTI-CHANNEL SOUND SIGNALS
MY168695A (en) Signal processing device and method, encoding device and method, decoding device and method, and programs therefor
ATE305655T1 (en) DEVICE AND METHOD FOR CODING A DISCRETE-TIME AUDIO SIGNAL AND DEVICE AND METHOD FOR DECODING ENCODED AUDIO DATA
MY148913A (en) Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream
DE602005010894D1 (en) DIFFUSHAIN SINGLE FORMING FOR BINAURALE NOTE CODING METHOD AND THE SAME
MX2011008685A (en) Encoder, decoder, and method therefor.
MY166069A (en) Method and apparatus for encoding residual block, and method and apparatus for decoding residual block
MX2007012191A (en) Methods and apparatus for encoding and decoding an highband portion of a speech signal.
NZ595739A (en) Audio decoder and decoding method using efficient downmixing
BRPI0608036A2 (en) device and method for generating an encoded stereo signal from an audio part or audio data stream
IN2014KN01222A (en)
DE602006018908D1 (en) Redundant audio bitstream and method for processing audio bitstreams
MY182831A (en) Apparatus for decoding an encoded audio signal with frequency tile adaption
CA2717584A1 (en) Method and apparatus for processing an audio signal